Home / 848,145.55-1,270,391.40-398,192.17

Finding the Fourth Proportional to 848,145.55, 1,270,391.40 and 398,192.17

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Solution

The fourth proportional to 848,145.55, 1,270,391.40 and 398,192.17 is: 596,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,145.55 : 1,270,391.40 = 398,192.17 : x
  2. Step 2: Convert to fraction form
    848,145.55/1,270,391.40 = 398,192.17/x
  3. Step 3: Cross multiply
    848,145.55x = 1,270,391.40 × 398,192.17
  4. Step 4: Simplify right side
    848,145.55x = 505,859,908,315.34
  5. Step 5: Solve for x
    x = 505,859,908,315.34/848,145.55
  6. Step 6: Final answer
    x = 596,430.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.